709 lines
32 KiB
C++
709 lines
32 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2015 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "library.h"
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#include "path.h"
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#include "tinyxml2.h"
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#include "tokenlist.h"
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#include "mathlib.h"
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#include "token.h"
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#include "symboldatabase.h"
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#include <string>
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#include <algorithm>
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Library::Library() : allocid(0)
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{
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}
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Library::Error Library::load(const char exename[], const char path[])
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{
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if (std::strchr(path,',') != nullptr) {
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std::string p(path);
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while (p.find(",") != std::string::npos) {
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const std::string::size_type pos = p.find(",");
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const Error &e = load(exename, p.substr(0,pos).c_str());
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if (e.errorcode != OK)
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return e;
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p = p.substr(pos+1);
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}
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if (!p.empty())
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return load(exename, p.c_str());
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return Error();
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}
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std::string absolute_path;
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// open file..
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tinyxml2::XMLDocument doc;
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tinyxml2::XMLError error = doc.LoadFile(path);
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if (error == tinyxml2::XML_ERROR_FILE_NOT_FOUND) {
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// failed to open file.. is there no extension?
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std::string fullfilename(path);
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if (Path::getFilenameExtension(fullfilename) == "") {
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fullfilename += ".cfg";
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error = doc.LoadFile(fullfilename.c_str());
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if (error != tinyxml2::XML_ERROR_FILE_NOT_FOUND)
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absolute_path = Path::getAbsoluteFilePath(fullfilename.c_str());
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}
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if (error == tinyxml2::XML_ERROR_FILE_NOT_FOUND) {
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// Try to locate the library configuration in the installation folder..
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#ifdef CFGDIR
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const std::string cfgfolder(CFGDIR);
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#else
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if (!exename)
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return Error(FILE_NOT_FOUND);
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const std::string cfgfolder(Path::fromNativeSeparators(Path::getPathFromFilename(exename)) + "cfg");
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#endif
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const char *sep = (!cfgfolder.empty() && cfgfolder[cfgfolder.size()-1U]=='/' ? "" : "/");
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const std::string filename(cfgfolder + sep + fullfilename);
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error = doc.LoadFile(filename.c_str());
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if (error != tinyxml2::XML_ERROR_FILE_NOT_FOUND)
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absolute_path = Path::getAbsoluteFilePath(filename.c_str());
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}
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} else
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absolute_path = Path::getAbsoluteFilePath(path);
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if (error == tinyxml2::XML_NO_ERROR) {
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if (_files.find(absolute_path) == _files.end()) {
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Error err = load(doc);
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if (err.errorcode == OK)
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_files.insert(absolute_path);
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return err;
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}
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return Error(OK); // ignore duplicates
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}
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return Error(error == tinyxml2::XML_ERROR_FILE_NOT_FOUND ? FILE_NOT_FOUND : BAD_XML);
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}
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bool Library::loadxmldata(const char xmldata[], std::size_t len)
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{
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tinyxml2::XMLDocument doc;
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return (tinyxml2::XML_NO_ERROR == doc.Parse(xmldata, len)) && (load(doc).errorcode == OK);
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}
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Library::Error Library::load(const tinyxml2::XMLDocument &doc)
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{
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const tinyxml2::XMLElement * const rootnode = doc.FirstChildElement();
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if (rootnode == nullptr)
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return Error(BAD_XML);
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if (strcmp(rootnode->Name(),"def") != 0)
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return Error(UNSUPPORTED_FORMAT, rootnode->Name());
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const char* format_string = rootnode->Attribute("format");
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int format = 1;
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if (format_string)
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format = atoi(format_string);
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if (format > 1)
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return Error(UNSUPPORTED_FORMAT);
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std::set<std::string> unknown_elements;
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for (const tinyxml2::XMLElement *node = rootnode->FirstChildElement(); node; node = node->NextSiblingElement()) {
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const std::string nodename = node->Name();
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if (nodename == "memory" || nodename == "resource") {
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// get allocationId to use..
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int allocationId = 0;
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for (const tinyxml2::XMLElement *memorynode = node->FirstChildElement(); memorynode; memorynode = memorynode->NextSiblingElement()) {
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if (strcmp(memorynode->Name(),"dealloc")==0) {
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const std::map<std::string,int>::const_iterator it = _dealloc.find(memorynode->GetText());
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if (it != _dealloc.end()) {
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allocationId = it->second;
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break;
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}
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}
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}
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if (allocationId == 0) {
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if (nodename == "memory")
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while (!ismemory(++allocid));
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else
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while (!isresource(++allocid));
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allocationId = allocid;
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}
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// add alloc/dealloc/use functions..
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for (const tinyxml2::XMLElement *memorynode = node->FirstChildElement(); memorynode; memorynode = memorynode->NextSiblingElement()) {
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const std::string memorynodename = memorynode->Name();
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if (memorynodename == "alloc") {
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_alloc[memorynode->GetText()] = allocationId;
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const char *init = memorynode->Attribute("init");
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if (init && strcmp(init,"false")==0) {
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returnuninitdata.insert(memorynode->GetText());
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}
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} else if (memorynodename == "dealloc")
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_dealloc[memorynode->GetText()] = allocationId;
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else if (memorynodename == "use")
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use.insert(memorynode->GetText());
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else
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unknown_elements.insert(memorynodename);
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}
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}
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else if (nodename == "define") {
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const char *name = node->Attribute("name");
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if (name == nullptr)
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return Error(MISSING_ATTRIBUTE, "name");
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const char *value = node->Attribute("value");
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if (value == nullptr)
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return Error(MISSING_ATTRIBUTE, "value");
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defines.push_back(std::string("#define ") +
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name +
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" " +
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value +
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"\n");
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}
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else if (nodename == "function") {
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const char *name_char = node->Attribute("name");
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if (name_char == nullptr)
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return Error(MISSING_ATTRIBUTE, "name");
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std::string name = name_char;
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for (const tinyxml2::XMLElement *functionnode = node->FirstChildElement(); functionnode; functionnode = functionnode->NextSiblingElement()) {
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const std::string functionnodename = functionnode->Name();
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if (functionnodename == "noreturn")
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_noreturn[name] = (strcmp(functionnode->GetText(), "true") == 0);
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else if (functionnodename == "pure")
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functionpure.insert(name);
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else if (functionnodename == "const") {
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functionconst.insert(name);
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functionpure.insert(name); // a constant function is pure
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} else if (functionnodename == "leak-ignore")
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leakignore.insert(name);
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else if (functionnodename == "use-retval")
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useretval.insert(name);
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else if (functionnodename == "arg" && functionnode->Attribute("nr") != nullptr) {
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const bool bAnyArg = strcmp(functionnode->Attribute("nr"),"any")==0;
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const int nr = (bAnyArg) ? -1 : atoi(functionnode->Attribute("nr"));
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bool notbool = false;
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bool notnull = false;
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bool notuninit = false;
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bool formatstr = false;
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bool strz = false;
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std::string& valid = argumentChecks[name][nr].valid;
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std::list<ArgumentChecks::MinSize>& minsizes = argumentChecks[name][nr].minsizes;
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for (const tinyxml2::XMLElement *argnode = functionnode->FirstChildElement(); argnode; argnode = argnode->NextSiblingElement()) {
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const std::string argnodename = argnode->Name();
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if (argnodename == "not-bool")
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notbool = true;
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else if (argnodename == "not-null")
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notnull = true;
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else if (argnodename == "not-uninit")
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notuninit = true;
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else if (argnodename == "formatstr")
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formatstr = true;
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else if (argnodename == "strz")
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strz = true;
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else if (argnodename == "valid") {
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// Validate the validation expression
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const char *p = argnode->GetText();
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bool error = false;
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bool range = false;
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for (; *p; p++) {
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if (std::isdigit(*p))
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error |= (*(p+1) == '-');
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else if (*p == ':')
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error |= range;
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else if (*p == '-')
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error |= (!std::isdigit(*(p+1)));
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else if (*p == ',')
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range = false;
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else
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error = true;
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range |= (*p == ':');
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}
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if (error)
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return Error(BAD_ATTRIBUTE_VALUE, argnode->GetText());
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// Set validation expression
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valid = argnode->GetText();
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}
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else if (argnodename == "minsize") {
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const char *typeattr = argnode->Attribute("type");
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if (!typeattr)
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return Error(MISSING_ATTRIBUTE, "type");
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ArgumentChecks::MinSize::Type type;
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if (strcmp(typeattr,"strlen")==0)
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type = ArgumentChecks::MinSize::STRLEN;
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else if (strcmp(typeattr,"argvalue")==0)
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type = ArgumentChecks::MinSize::ARGVALUE;
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else if (strcmp(typeattr,"sizeof")==0)
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type = ArgumentChecks::MinSize::SIZEOF;
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else if (strcmp(typeattr,"mul")==0)
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type = ArgumentChecks::MinSize::MUL;
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else
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return Error(BAD_ATTRIBUTE_VALUE, typeattr);
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const char *argattr = argnode->Attribute("arg");
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if (!argattr)
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return Error(MISSING_ATTRIBUTE, "arg");
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if (strlen(argattr) != 1 || argattr[0]<'0' || argattr[0]>'9')
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return Error(BAD_ATTRIBUTE_VALUE, argattr);
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minsizes.push_back(ArgumentChecks::MinSize(type,argattr[0]-'0'));
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if (type == ArgumentChecks::MinSize::MUL) {
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const char *arg2attr = argnode->Attribute("arg2");
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if (!arg2attr)
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return Error(MISSING_ATTRIBUTE, "arg2");
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if (strlen(arg2attr) != 1 || arg2attr[0]<'0' || arg2attr[0]>'9')
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return Error(BAD_ATTRIBUTE_VALUE, arg2attr);
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minsizes.back().arg2 = arg2attr[0] - '0';
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}
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}
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else
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unknown_elements.insert(argnodename);
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}
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argumentChecks[name][nr].notbool = notbool;
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argumentChecks[name][nr].notnull = notnull;
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argumentChecks[name][nr].notuninit = notuninit;
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argumentChecks[name][nr].formatstr = formatstr;
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argumentChecks[name][nr].strz = strz;
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} else if (functionnodename == "ignorefunction") {
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_ignorefunction.insert(name);
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} else if (functionnodename == "formatstr") {
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const tinyxml2::XMLAttribute* scan = functionnode->FindAttribute("scan");
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const tinyxml2::XMLAttribute* secure = functionnode->FindAttribute("secure");
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_formatstr[name] = std::make_pair(scan && scan->BoolValue(), secure && secure->BoolValue());
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} else
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unknown_elements.insert(functionnodename);
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}
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}
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else if (nodename == "reflection") {
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for (const tinyxml2::XMLElement *reflectionnode = node->FirstChildElement(); reflectionnode; reflectionnode = reflectionnode->NextSiblingElement()) {
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if (strcmp(reflectionnode->Name(), "call") != 0) {
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unknown_elements.insert(reflectionnode->Name());
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continue;
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}
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const char * const argString = reflectionnode->Attribute("arg");
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if (!argString)
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return Error(MISSING_ATTRIBUTE, "arg");
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_reflection[reflectionnode->GetText()] = atoi(argString);
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}
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}
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else if (nodename == "markup") {
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const char * const extension = node->Attribute("ext");
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if (!extension)
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return Error(MISSING_ATTRIBUTE, "ext");
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_markupExtensions.insert(extension);
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const char * const reporterrors = node->Attribute("reporterrors");
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_reporterrors[extension] = (reporterrors && strcmp(reporterrors, "true") == 0);
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const char * const aftercode = node->Attribute("aftercode");
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_processAfterCode[extension] = (aftercode && strcmp(aftercode, "true") == 0);
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for (const tinyxml2::XMLElement *markupnode = node->FirstChildElement(); markupnode; markupnode = markupnode->NextSiblingElement()) {
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const std::string markupnodename = markupnode->Name();
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if (markupnodename == "keywords") {
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for (const tinyxml2::XMLElement *librarynode = markupnode->FirstChildElement(); librarynode; librarynode = librarynode->NextSiblingElement()) {
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if (strcmp(librarynode->Name(), "keyword") == 0) {
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const char* nodeName = librarynode->Attribute("name");
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if (nodeName == nullptr)
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return Error(MISSING_ATTRIBUTE, "name");
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_keywords[extension].insert(nodeName);
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} else
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unknown_elements.insert(librarynode->Name());
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}
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}
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else if (markupnodename == "exported") {
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for (const tinyxml2::XMLElement *exporter = markupnode->FirstChildElement(); exporter; exporter = exporter->NextSiblingElement()) {
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if (strcmp(exporter->Name(), "exporter") != 0) {
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unknown_elements.insert(exporter->Name());
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continue;
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}
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const char * const prefix = exporter->Attribute("prefix");
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if (!prefix)
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return Error(MISSING_ATTRIBUTE, "prefix");
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for (const tinyxml2::XMLElement *e = exporter->FirstChildElement(); e; e = e->NextSiblingElement()) {
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const std::string ename = e->Name();
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if (ename == "prefix")
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_exporters[prefix].addPrefix(e->GetText());
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else if (ename == "suffix")
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_exporters[prefix].addSuffix(e->GetText());
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else
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unknown_elements.insert(ename);
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}
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}
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}
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else if (markupnodename == "imported") {
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for (const tinyxml2::XMLElement *librarynode = markupnode->FirstChildElement(); librarynode; librarynode = librarynode->NextSiblingElement()) {
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if (strcmp(librarynode->Name(), "importer") == 0)
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_importers[extension].insert(librarynode->GetText());
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else
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unknown_elements.insert(librarynode->Name());
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}
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}
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else if (markupnodename == "codeblocks") {
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for (const tinyxml2::XMLElement *blocknode = markupnode->FirstChildElement(); blocknode; blocknode = blocknode->NextSiblingElement()) {
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const std::string blocknodename = blocknode->Name();
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if (blocknodename == "block") {
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const char * blockName = blocknode->Attribute("name");
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if (blockName)
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_executableblocks[extension].addBlock(blockName);
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} else if (blocknodename == "structure") {
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const char * start = blocknode->Attribute("start");
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if (start)
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_executableblocks[extension].setStart(start);
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const char * end = blocknode->Attribute("end");
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if (end)
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_executableblocks[extension].setEnd(end);
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const char * offset = blocknode->Attribute("offset");
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if (offset)
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_executableblocks[extension].setOffset(atoi(offset));
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}
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else
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unknown_elements.insert(blocknodename);
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}
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}
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else
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unknown_elements.insert(markupnodename);
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}
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}
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else if (nodename == "container") {
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const char* const id = node->Attribute("id");
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if (!id)
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return Error(MISSING_ATTRIBUTE, "id");
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Container& container = containers[id];
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const char* const inherits = node->Attribute("inherits");
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if (inherits) {
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std::map<std::string, Container>::const_iterator i = containers.find(inherits);
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if (i != containers.end())
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container = i->second; // Take values from parent and overwrite them if necessary
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else
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return Error(BAD_ATTRIBUTE_VALUE, inherits);
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}
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const char* const startPattern = node->Attribute("startPattern");
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if (startPattern)
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container.startPattern = startPattern;
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const char* const endPattern = node->Attribute("endPattern");
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if (endPattern)
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container.endPattern = endPattern;
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for (const tinyxml2::XMLElement *containerNode = node->FirstChildElement(); containerNode; containerNode = containerNode->NextSiblingElement()) {
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const std::string containerNodeName = containerNode->Name();
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if (containerNodeName == "size" || containerNodeName == "access" || containerNodeName == "other") {
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for (const tinyxml2::XMLElement *functionNode = containerNode->FirstChildElement(); functionNode; functionNode = functionNode->NextSiblingElement()) {
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if (std::string(functionNode->Name()) != "function") {
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unknown_elements.insert(functionNode->Name());
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continue;
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}
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const char* const functionName = functionNode->Attribute("name");
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if (!functionName)
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return Error(MISSING_ATTRIBUTE, "name");
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const char* const action_ptr = functionNode->Attribute("action");
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Container::Action action = Container::NO_ACTION;
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if (action_ptr) {
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std::string actionName = action_ptr;
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if (actionName == "resize")
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action = Container::RESIZE;
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else if (actionName == "clear")
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action = Container::CLEAR;
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else if (actionName == "push")
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action = Container::PUSH;
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else if (actionName == "pop")
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action = Container::POP;
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else if (actionName == "find")
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action = Container::FIND;
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else
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return Error(BAD_ATTRIBUTE_VALUE, actionName);
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}
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const char* const yield_ptr = functionNode->Attribute("yields");
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Container::Yield yield = Container::NO_YIELD;
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if (yield_ptr) {
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std::string yieldName = yield_ptr;
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if (yieldName == "at_index")
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yield = Container::AT_INDEX;
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else if (yieldName == "item")
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yield = Container::ITEM;
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else if (yieldName == "buffer")
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yield = Container::BUFFER;
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else if (yieldName == "buffer-nt")
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yield = Container::BUFFER_NT;
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else if (yieldName == "start-iterator")
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yield = Container::START_ITERATOR;
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else if (yieldName == "end-iterator")
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yield = Container::END_ITERATOR;
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else if (yieldName == "size")
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yield = Container::SIZE;
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else if (yieldName == "empty")
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yield = Container::EMPTY;
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else
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return Error(BAD_ATTRIBUTE_VALUE, yieldName);
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}
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container.functions[functionName].action = action;
|
|
container.functions[functionName].yield = yield;
|
|
}
|
|
|
|
if (containerNodeName == "size") {
|
|
const char* const templateArg = containerNode->Attribute("templateParameter");
|
|
if (templateArg)
|
|
container.size_templateArgNo = atoi(templateArg);
|
|
} else if (containerNodeName == "access") {
|
|
const char* const indexArg = containerNode->Attribute("indexOperator");
|
|
if (indexArg)
|
|
container.arrayLike_indexOp = std::string(indexArg) == "array-like";
|
|
}
|
|
} else if (containerNodeName == "type") {
|
|
const char* const templateArg = containerNode->Attribute("templateParameter");
|
|
if (templateArg)
|
|
container.type_templateArgNo = atoi(templateArg);
|
|
|
|
const char* const string = containerNode->Attribute("string");
|
|
if (string)
|
|
container.stdStringLike = std::string(string) == "std-like";
|
|
} else
|
|
unknown_elements.insert(containerNodeName);
|
|
}
|
|
}
|
|
|
|
else if (nodename == "podtype") {
|
|
const char * const name = node->Attribute("name");
|
|
if (!name)
|
|
return Error(MISSING_ATTRIBUTE, "name");
|
|
PodType podType = {0};
|
|
const char * const size = node->Attribute("size");
|
|
if (size)
|
|
podType.size = atoi(size);
|
|
const char * const sign = node->Attribute("sign");
|
|
if (sign)
|
|
podType.sign = *sign;
|
|
podtypes[name] = podType;
|
|
}
|
|
|
|
else if (nodename == "platformtype") {
|
|
const char * const type_name = node->Attribute("name");
|
|
if (type_name == nullptr)
|
|
return Error(MISSING_ATTRIBUTE, "name");
|
|
const char *value = node->Attribute("value");
|
|
if (value == nullptr)
|
|
return Error(MISSING_ATTRIBUTE, "value");
|
|
PlatformType type;
|
|
type._type = value;
|
|
std::set<std::string> platform;
|
|
for (const tinyxml2::XMLElement *typenode = node->FirstChildElement(); typenode; typenode = typenode->NextSiblingElement()) {
|
|
const std::string typenodename = typenode->Name();
|
|
if (typenodename == "platform") {
|
|
const char * const type_attribute = typenode->Attribute("type");
|
|
if (type_attribute == nullptr)
|
|
return Error(MISSING_ATTRIBUTE, "type");
|
|
platform.insert(type_attribute);
|
|
} else if (typenodename == "signed")
|
|
type._signed = true;
|
|
else if (typenodename == "unsigned")
|
|
type._unsigned = true;
|
|
else if (typenodename == "long")
|
|
type._long = true;
|
|
else if (typenodename == "pointer")
|
|
type._pointer= true;
|
|
else if (typenodename == "ptr_ptr")
|
|
type._ptr_ptr = true;
|
|
else if (typenodename == "const_ptr")
|
|
type._const_ptr = true;
|
|
else
|
|
unknown_elements.insert(typenodename);
|
|
}
|
|
if (platform.empty()) {
|
|
const PlatformType * const type_ptr = platform_type(type_name, "");
|
|
if (type_ptr) {
|
|
if (*type_ptr == type)
|
|
return Error(DUPLICATE_PLATFORM_TYPE, type_name);
|
|
return Error(PLATFORM_TYPE_REDEFINED, type_name);
|
|
}
|
|
platform_types[type_name] = type;
|
|
} else {
|
|
std::set<std::string>::const_iterator it;
|
|
for (it = platform.begin(); it != platform.end(); ++it) {
|
|
const PlatformType * const type_ptr = platform_type(type_name, *it);
|
|
if (type_ptr) {
|
|
if (*type_ptr == type)
|
|
return Error(DUPLICATE_PLATFORM_TYPE, type_name);
|
|
return Error(PLATFORM_TYPE_REDEFINED, type_name);
|
|
}
|
|
platforms[*it]._platform_types[type_name] = type;
|
|
}
|
|
}
|
|
}
|
|
|
|
else
|
|
unknown_elements.insert(nodename);
|
|
}
|
|
if (!unknown_elements.empty()) {
|
|
std::string str;
|
|
for (std::set<std::string>::const_iterator i = unknown_elements.begin(); i != unknown_elements.end();) {
|
|
str += *i;
|
|
if (++i != unknown_elements.end())
|
|
str += ", ";
|
|
}
|
|
return Error(UNKNOWN_ELEMENT, str);
|
|
}
|
|
return Error(OK);
|
|
}
|
|
|
|
bool Library::isargvalid(const Token *ftok, int argnr, const MathLib::bigint argvalue) const
|
|
{
|
|
const ArgumentChecks *ac = getarg(ftok, argnr);
|
|
if (!ac || ac->valid.empty())
|
|
return true;
|
|
TokenList tokenList(0);
|
|
std::istringstream istr(ac->valid + ',');
|
|
tokenList.createTokens(istr);
|
|
for (Token *tok = tokenList.front(); tok; tok = tok->next()) {
|
|
if (Token::Match(tok,"- %num%")) {
|
|
tok->str("-" + tok->strAt(1));
|
|
tok->deleteNext();
|
|
}
|
|
}
|
|
for (const Token *tok = tokenList.front(); tok; tok = tok->next()) {
|
|
if (tok->isNumber() && argvalue == MathLib::toLongNumber(tok->str()))
|
|
return true;
|
|
if (Token::Match(tok, "%num% : %num%") && argvalue >= MathLib::toLongNumber(tok->str()) && argvalue <= MathLib::toLongNumber(tok->strAt(2)))
|
|
return true;
|
|
if (Token::Match(tok, "%num% : ,") && argvalue >= MathLib::toLongNumber(tok->str()))
|
|
return true;
|
|
if ((!tok->previous() || tok->previous()->str() == ",") && Token::Match(tok,": %num%") && argvalue <= MathLib::toLongNumber(tok->strAt(1)))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
const Library::ArgumentChecks * Library::getarg(const Token *ftok, int argnr) const
|
|
{
|
|
if (isNotLibraryFunction(ftok))
|
|
return nullptr;
|
|
std::map<std::string, std::map<int, ArgumentChecks> >::const_iterator it1;
|
|
it1 = argumentChecks.find(ftok->str());
|
|
if (it1 == argumentChecks.end())
|
|
return nullptr;
|
|
const std::map<int,ArgumentChecks>::const_iterator it2 = it1->second.find(argnr);
|
|
if (it2 != it1->second.end())
|
|
return &it2->second;
|
|
const std::map<int,ArgumentChecks>::const_iterator it3 = it1->second.find(-1);
|
|
if (it3 != it1->second.end())
|
|
return &it3->second;
|
|
return nullptr;
|
|
}
|
|
|
|
bool Library::isScopeNoReturn(const Token *end, std::string *unknownFunc) const
|
|
{
|
|
if (unknownFunc)
|
|
unknownFunc->clear();
|
|
|
|
if (!Token::simpleMatch(end->tokAt(-2), ") ; }"))
|
|
return false;
|
|
|
|
const Token *funcname = end->linkAt(-2)->previous();
|
|
const Token *start = funcname;
|
|
if (funcname && Token::Match(funcname->tokAt(-3),"( * %var% )")) {
|
|
funcname = funcname->previous();
|
|
start = funcname->tokAt(-3);
|
|
} else if (funcname->isName()) {
|
|
while (Token::Match(start, "%var%|.|::"))
|
|
start = start->previous();
|
|
} else {
|
|
return false;
|
|
}
|
|
if (Token::Match(start,"[;{}]") && Token::Match(funcname, "%var% )| (")) {
|
|
if (funcname->str() == "exit")
|
|
return true;
|
|
if (!isnotnoreturn(funcname)) {
|
|
if (unknownFunc && !isnoreturn(funcname))
|
|
*unknownFunc = funcname->str();
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
const Library::Container* Library::detectContainer(const Token* typeStart) const
|
|
{
|
|
for (std::map<std::string, Container>::const_iterator i = containers.begin(); i != containers.end(); ++i) {
|
|
const Container& container = i->second;
|
|
if (container.startPattern.empty())
|
|
continue;
|
|
|
|
if (Token::Match(typeStart, container.startPattern.c_str())) {
|
|
if (container.endPattern.empty())
|
|
return &container;
|
|
|
|
for (const Token* tok = typeStart; tok && !tok->varId(); tok = tok->next()) {
|
|
if (tok->link()) {
|
|
if (Token::Match(tok->link(), container.endPattern.c_str()))
|
|
return &container;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
// returns true if ftok is not a library function
|
|
bool Library::isNotLibraryFunction(const Token *ftok) const
|
|
{
|
|
// called from tokenizer, ast is not created properly yet
|
|
if (Token::Match(ftok->previous(),"::|."))
|
|
return false;
|
|
|
|
int callargs = 0;
|
|
for (const Token *tok = ftok->tokAt(2); tok && tok->str() != ")"; tok = tok->next()) {
|
|
if (callargs == 0)
|
|
callargs = 1;
|
|
if (tok->str() == ",")
|
|
callargs++;
|
|
else if (tok->link() && Token::Match(tok, "<|(|["))
|
|
tok = tok->link();
|
|
}
|
|
const std::map<std::string, std::map<int, ArgumentChecks> >::const_iterator it = argumentChecks.find(ftok->str());
|
|
if (it == argumentChecks.end())
|
|
return (callargs != 0);
|
|
int args = 0;
|
|
for (std::map<int, ArgumentChecks>::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2) {
|
|
if (it2->first > args)
|
|
args = it2->first;
|
|
if (it2->second.formatstr)
|
|
return args > callargs;
|
|
}
|
|
return args != callargs;
|
|
}
|